﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using DTcms.DBUtility;
using DTcms.Common;
using System.Collections.Generic;

namespace DTcms.DAL
{
	/// <summary>
	/// 数据访问类:ch_qiugou
	/// </summary>
	public partial class qiugou
	{
		public qiugou()
		{ }
		#region 基本方法============================
		/// <summary>
		/// 是否存在该记录
		/// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from ch_qiugou");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }
		
        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Model.qiugou model)
        {
            using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    try
                    {
                        #region 添加主表数据====================
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into ch_qiugou(");
            strSql.Append("title,img_url,province_id,city_id,size_long,size_wide,size_height,content,lianxiren,mobile,add_time,status,user_id,quanzi_id)");
            strSql.Append(" values (");
            strSql.Append("@title,@img_url,@province_id,@city_id,@size_long,@size_wide,@size_height,@content,@lianxiren,@mobile,@add_time,@status,@user_id,@quanzi_id)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
					new SqlParameter("@title", SqlDbType.NVarChar,100),
					new SqlParameter("@img_url", SqlDbType.NVarChar,100),
					new SqlParameter("@province_id", SqlDbType.Int,4),
					new SqlParameter("@city_id", SqlDbType.Int,4),
                    new SqlParameter("@size_long", SqlDbType.Int,4),
                    new SqlParameter("@size_wide", SqlDbType.Int,4),
                    new SqlParameter("@size_height", SqlDbType.Int,4),
					new SqlParameter("@content", SqlDbType.NText),
					new SqlParameter("@lianxiren", SqlDbType.NVarChar,50),
					new SqlParameter("@mobile", SqlDbType.NVarChar,20),
					new SqlParameter("@add_time", SqlDbType.DateTime),
					new SqlParameter("@status", SqlDbType.TinyInt,1),
                    new SqlParameter("@user_id", SqlDbType.Int,4),
                    new SqlParameter("@quanzi_id", SqlDbType.Int,4)};
						
			parameters[0].Value = model.title;            			
			parameters[1].Value = model.img_url;            			
			parameters[2].Value = model.province_id;            			
			parameters[3].Value = model.city_id;
            parameters[4].Value = model.size_long;
            parameters[5].Value = model.size_wide;
            parameters[6].Value = model.size_height;
			parameters[7].Value = model.content;            			
			parameters[8].Value = model.lianxiren;            			
			parameters[9].Value = model.mobile;            			
			parameters[10].Value = model.add_time;            			
			parameters[11].Value = model.status;
            parameters[12].Value = model.user_id;
            parameters[13].Value = model.quanzi_id;

            object obj = DbHelperSQL.GetSingle(conn, trans, strSql.ToString(), parameters); //带事务
            model.id = Convert.ToInt32(obj);//插入后赋值
                        #endregion
            #region 添加图片相册====================
            if (model.albums != null)
            {
                new DAL.common_albums().Add(conn, trans, model.albums, 2, model.id);
            }
            #endregion

            trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        return 0;
                    }
                }
            }
            return model.id;
        }

		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(Model.qiugou model)
		{
             using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    try
                    {
                        #region 修改主表数据==========================
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update ch_qiugou set ");
			                                                
            strSql.Append("title = @title,");                                    
            strSql.Append("img_url = @img_url,");                                    
            strSql.Append("province_id = @province_id,");                                    
            strSql.Append("city_id = @city_id,");
            strSql.Append("size_long = @size_long,");
            strSql.Append("size_wide = @size_wide,");
            strSql.Append("size_height = @size_height,");
            strSql.Append("content = @content,");                                    
            strSql.Append("lianxiren = @lianxiren,");                                    
            strSql.Append("mobile = @mobile,");                                    
            strSql.Append("add_time = @add_time,");                                    
            strSql.Append("status = @status,");
            strSql.Append("quanzi_id = @quanzi_id");
			strSql.Append(" where id=@id");
			SqlParameter[] parameters = {
			            new SqlParameter("@id", SqlDbType.Int,4) ,            
                        new SqlParameter("@title", SqlDbType.NVarChar,100) ,            
                        new SqlParameter("@img_url", SqlDbType.NVarChar,100) ,            
                        new SqlParameter("@province_id", SqlDbType.Int,4) ,            
                        new SqlParameter("@city_id", SqlDbType.Int,4) ,  
                        new SqlParameter("@size_long", SqlDbType.Int,4),
                        new SqlParameter("@size_wide", SqlDbType.Int,4),
                        new SqlParameter("@size_height", SqlDbType.Int,4),
                        new SqlParameter("@content", SqlDbType.NText) ,            
                        new SqlParameter("@lianxiren", SqlDbType.NVarChar,50) ,            
                        new SqlParameter("@mobile", SqlDbType.NVarChar,20) ,            
                        new SqlParameter("@add_time", SqlDbType.DateTime) ,            
                        new SqlParameter("@status", SqlDbType.TinyInt,1),
                        new SqlParameter("@quanzi_id", SqlDbType.Int,4)};
						            
            parameters[0].Value = model.id;                        
            parameters[1].Value = model.title;                        
            parameters[2].Value = model.img_url;                        
            parameters[3].Value = model.province_id;                        
            parameters[4].Value = model.city_id;
            parameters[5].Value = model.size_long;
            parameters[6].Value = model.size_wide;
            parameters[7].Value = model.size_height;
            parameters[8].Value = model.content;                        
            parameters[9].Value = model.lianxiren;                        
            parameters[10].Value = model.mobile;                        
            parameters[11].Value = model.add_time;                        
            parameters[12].Value = model.status;
            parameters[13].Value = model.quanzi_id;

            DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), parameters);
                        #endregion

            #region 修改图片相册==========================
            //删除/添加/修改相册图片
            new DAL.common_albums().Update(conn, trans, model.albums, 2, model.id);
            #endregion

            trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        return false;
                    }
                }
            }
             return true;
		}

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int channel_id, int article_id)
        {
            //取得相册MODEL
            List<Model.common_albums> albumsList = new DAL.common_albums().GetList(channel_id, article_id);

            //删除图片相册
            StringBuilder strSql2 = new StringBuilder();
            strSql2.Append("delete from ch_common_albums");
            strSql2.Append(" where channel_id=@channel_id and article_id=@article_id");
            SqlParameter[] parameters2 = {
                    new SqlParameter("@channel_id", SqlDbType.Int,4),
					new SqlParameter("@article_id", SqlDbType.Int,4)};
            parameters2[0].Value = channel_id;
            parameters2[1].Value = article_id;
            List<CommandInfo> sqllist = new List<CommandInfo>();
            CommandInfo cmd = new CommandInfo(strSql2.ToString(), parameters2);
            sqllist.Add(cmd);

            //删除主表
            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from ch_qiugou");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = article_id;
            cmd = new CommandInfo(strSql.ToString(), parameters);
            sqllist.Add(cmd);

            int rowsAffected = DbHelperSQL.ExecuteSqlTran(sqllist);
            if (rowsAffected > 0)
            {
                new DAL.common_albums().DeleteFile(albumsList); //删除图片
                return true;
            }
            else
            {
                return false;
            }
        }
		
        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Model.qiugou GetModel(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 id,title,img_url,province_id,city_id,size_long,size_wide,size_height,content,lianxiren,mobile,add_time,status,user_id,hits,quanzi_id");
            strSql.Append(" from ch_qiugou");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
					new SqlParameter("@id", SqlDbType.Int,4)};
            parameters[0].Value = id;

            Model.qiugou model = new Model.qiugou();
            DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
            if (ds.Tables[0].Rows.Count > 0)
            {
                return DataRowToModel(ds.Tables[0].Rows[0]);
            }
            else
            {
                return null;
            }
        }
        
        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" id,title,img_url,province_id,city_id,size_long,size_wide,size_height,content,lianxiren,mobile,add_time,status,user_id,hits,quanzi_id");
            strSql.Append(" FROM ch_qiugou ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }
        
        /// <summary>
        /// 获得查询分页数据
        /// </summary>
        public DataSet GetList(int pageSize, int pageIndex, string strWhere, string filedOrder, out int recordCount)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * FROM ch_qiugou");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            recordCount = Convert.ToInt32(DbHelperSQL.GetSingle(PagingHelper.CreateCountingSql(strSql.ToString())));
            return DbHelperSQL.Query(PagingHelper.CreatePagingSql(recordCount, pageSize, pageIndex, strSql.ToString(), filedOrder));
        }
        #endregion
        
        #region 扩展方法============================
        /// <summary>
        /// 返回标题名称
        /// </summary>
        public string GetTitle(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 title from ch_qiugou");
            strSql.Append(" where id=" + id);
            string title = Convert.ToString(DbHelperSQL.GetSingle(strSql.ToString()));
            if (string.IsNullOrEmpty(title))
            {
                return "-";
            }
            return title;
        }

        /// <summary>
        /// 修改一列数据
        /// </summary>
        public void UpdateField(int id, string strValue)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update ch_qiugou set " + strValue);
            strSql.Append(" where id=" + id);
            DbHelperSQL.ExecuteSql(strSql.ToString());
        }

        /// <summary>
        /// 返回数据总数
        /// </summary>
        public int GetCount(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(*) as H from ch_qiugou ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            return Convert.ToInt32(DbHelperSQL.GetSingle(strSql.ToString()));
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Model.qiugou DataRowToModel(DataRow row)
        {
            Model.qiugou model = new Model.qiugou();
            if (row != null)
            {
                if (row["id"] != null && row["id"].ToString() != "")
                {
                    model.id = int.Parse(row["id"].ToString());
                }
                if (row["title"] != null)
                {
                    model.title = row["title"].ToString();
                }
                if (row["img_url"] != null)
                {
                    model.img_url = row["img_url"].ToString();
                }
                if (row["province_id"] != null && row["province_id"].ToString() != "")
                {
                    model.province_id = int.Parse(row["province_id"].ToString());
                }
                if (row["city_id"] != null && row["city_id"].ToString() != "")
                {
                    model.city_id = int.Parse(row["city_id"].ToString());
                }
                if (row["size_long"] != null && row["size_long"].ToString() != "")
                {
                    model.size_long = int.Parse(row["size_long"].ToString());
                }
                if (row["size_wide"] != null && row["size_wide"].ToString() != "")
                {
                    model.size_wide = int.Parse(row["size_wide"].ToString());
                }
                if (row["size_height"] != null && row["size_height"].ToString() != "")
                {
                    model.size_height = int.Parse(row["size_height"].ToString());
                }
                if (row["content"] != null)
                {
                    model.content = row["content"].ToString();
                }
                if (row["lianxiren"] != null)
                {
                    model.lianxiren = row["lianxiren"].ToString();
                }
                if (row["mobile"] != null)
                {
                    model.mobile = row["mobile"].ToString();
                }
                if (row["add_time"] != null && row["add_time"].ToString() != "")
                {
                    model.add_time = DateTime.Parse(row["add_time"].ToString());
                }
                if (row["status"] != null && row["status"].ToString() != "")
                {
                    model.status = int.Parse(row["status"].ToString());
                }
                if (row["user_id"] != null && row["user_id"].ToString() != "")
                {
                    model.user_id = int.Parse(row["user_id"].ToString());
                }
                if (row["hits"] != null && row["hits"].ToString() != "")
                {
                    model.hits = int.Parse(row["hits"].ToString());
                }
                if (row["quanzi_id"] != null && row["quanzi_id"].ToString() != "")
                {
                    model.quanzi_id = int.Parse(row["quanzi_id"].ToString());
                }
                //相册信息
                model.albums = new DAL.common_albums().GetList(2, model.id);
            }
            return model;
        }
        #endregion
	}
}
